package com.su.config;

import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.connection.CorrelationData;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.annotation.PostConstruct;

@Configuration
public class MessageConverterConfig {

    @Autowired
    RabbitTemplate rabbitTemplate;


    @Bean
    public MessageConverter messageConvert(){

        return new Jackson2JsonMessageConverter();

    }

    @PostConstruct
    public void initRabbitmqtemplate (){
        rabbitTemplate.setConfirmCallback(new RabbitTemplate.ConfirmCallback() {
            public void confirm(CorrelationData correlationData, boolean b, String s) {
                System.out.println(correlationData+"=="+b+"=="+s);
            }
        });
    }

    @PostConstruct
    public void returncallback(){
//        只有当消息没有抵达队列，才会触发
        rabbitTemplate.setReturnCallback(new RabbitTemplate.ReturnCallback() {
            public void returnedMessage(Message message, int i, String s, String s1, String s2) {
                System.out.println("抵达队列失败==》"+message+""+i);
            }
        });
    }



}
